The Pink Ghost project by Périphériques Architects is a temporary installation that making an argument about the use of public space. First built in Place Furstemberg, Paris, the Pink Ghost was a 'sculptural transformation' of the centre of the square with a 'preservation' stance. Made of pink epoxy, the installation enveloped four trees and a streetlight to a height of 2.5 metres and covered the entire surface of the small central square. While the covering work was being done, the architects cleverly 'slipped' about 20 chairs and five coffee tables under the resine, to turn this exterior urban space into an 'interior' lounge/salon situated outside, in a way that raises questions about the status of public space in the city.

Since then, the installation has been remove and rebuilt in the French pavilion at the Biennale of Architecture in Venice.